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Red Hat Bugzilla – Attachment 161399 Details for
Bug 252400
RHEL4 U5: ia64 machine hang when DB starts using rac/nfs/hugepages
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[patch]
linux-2.6.9-nfs-dio-aware-compound.patch
linux-2.6.9-nfs-dio-aware-compound.patch (text/plain), 810 bytes, created by
Keshav Sharma
on 2007-08-15 20:07:19 UTC
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Description:
linux-2.6.9-nfs-dio-aware-compound.patch
Filename:
MIME Type:
Creator:
Keshav Sharma
Created:
2007-08-15 20:07:19 UTC
Size:
810 bytes
patch
obsolete
>commit 566dd6064e89b15ff2dec666a421bebf0f98f26c >Author: Trond Myklebust <Trond.Myklebust@netapp.com> >Date: Tue Jan 3 09:55:35 2006 +0100 > > NFS: Make directIO aware of compound pages... > > ...and avoid calling set_page_dirty on them > > Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> > >diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c >index fd7ac5e..10ae377 100644 >--- a/fs/nfs/direct.c >+++ b/fs/nfs/direct.c >@@ -122,9 +122,10 @@ nfs_free_user_pages(struct page **pages, int npages, int do_dirty) > { > int i; > for (i = 0; i < npages; i++) { >- if (do_dirty) >- set_page_dirty_lock(pages[i]); >- page_cache_release(pages[i]); >+ struct page *page = pages[i]; >+ if (do_dirty && !PageCompound(page)) >+ set_page_dirty_lock(page); >+ page_cache_release(page); > } > kfree(pages); > }
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